Deprecated RLS features

The `auth.role()` function is now deprecated#

The auth.role() function has been deprecated in favour of using the TO field, natively supported within Postgres:

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-- DEPRECATED
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create policy "Public profiles are viewable by everyone."
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on profiles for select using (
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  auth.role() = 'authenticated' or auth.role() = 'anon'
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);
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-- RECOMMENDED
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create policy "Public profiles are viewable by everyone."
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on profiles for select
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to authenticated, anon
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using (
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  true
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);

The `auth.email()` function is now deprecated#

The auth.email() function has been deprecated in favour a more generic function to return the full JWT:

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- DEPRECATED
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create policy "User can view their profile."
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on profiles for select using (
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  auth.email() = email
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);
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-- RECOMMENDED
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create policy "User can view their profile."
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on profiles for select using (
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  (auth.jwt() ->> 'email') = email
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);